Question about Goodman GMS80903BNA Heater

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Goodman GMP075-3 heater blinks continuously,

I've tried to reverse polarity - but nothing happens? Next steps?

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Most all of them furnaces trouble shooting sheets located with the wiring diagram . Count the number of time it blinks and look at it on the guide it will tell you whats wrong

Posted on Feb 13, 2009

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